Make css2sass aware of parent refs.
Make css2sass aware of parent refs.

OrenBochman/sass,xzyfer/sass,concord-consortium/haml,amatsuda/haml,Galactix/sass,schneems/sass,zaru/sass,14113/sass,lmetla/sass,srawlins/sass,zaru/sass,macressler/haml,modulexcite/sass,dg1dd1ngs/haml,amitsuroliya/sass,Andrey-Pavlov/sass,liquidmetal/sass,Iamronan/sass,Industrys/sass,JuanitoFatas/sass,Ahnita/sass,OrenBochman/sass,tangposmarvin/haml,dylannnn/sass,DanteKaris/sass,tangposmarvin/sass,briangonzalez/sass,Anshdesire/sass,danielfein/sass,nickg33/sass,srinivashappy/sass,danielfein/sass,JuanitoFatas/sass,stewx/sass,uniba/hamldoc_ja,StephanieMak/sass,keithpitty/haml,saper/sass,MetaAshley/sass,tangposmarvin/sass,srinivashappy/sass,haml/haml,rammy7219/sass,HugoRLopes/sass,Galactix/sass,lmetla/sass,Anshdesire/sass,stewx/sass,modulexcite/sass,ridixcr/sass,tenderlove/sass,antonifs/sass,nicklima/sass,Iamronan/sass,Industrys/sass,Ahnita/sass,srawlins/sass,chriseppstein/haml,antonifs/sass,Nzaga/sass,PMArtz92/sass,cmpereirasi/sass,DanteKaris/sass,tangposmarvin/haml,nickg33/sass,MetaAshley/sass,hcatlin/sass,baiyanghese/sass,liquidmetal/sass,rammy7219/sass,oss-practice/sass,mislav/haml,haml/haml,sideci-sample/sideci-sample-haml,jaroot32/sass,keithpitty/haml,saper/sass,nazar-pc/haml,chriseppstein/sass,amitsuroliya/sass,dg1dd1ngs/haml,schneems/sass,dylannnn/sass,hcatlin/sass,nazar-pc/haml,xzyfer/sass,jaroot32/sass,Andrey-Pavlov/sass,ridixcr/sass,cmpereirasi/sass,macressler/haml,StephanieMak/sass,vio/haml,Nzaga/sass,askl56/sass,askl56/sass,stanhu/haml,chriseppstein/haml,purcell/haml,PMArtz92/sass,nicklima/sass,stanhu/haml,haml/haml,HugoRLopes/sass,stefanpenner/haml,haml/haml